2139363013 has 4 divisors (see below), whose sum is σ = 2139468480. Its totient is φ = 2139257548.

The previous prime is 2139363001. The next prime is 2139363077. The reversal of 2139363013 is 3103639312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139363013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139363613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11623 + ... + 66436.

It is an arithmetic number, because the mean of its divisors is an integer number (534867120).

Almost surely, 2^2139363013 is an apocalyptic number.

It is an amenable number.

2139363013 is a deficient number, since it is larger than the sum of its proper divisors (105467).

2139363013 is an equidigital number, since it uses as much as digits as its factorization.

2139363013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105466.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 2139363013 is about 46253.2486750931. The cubic root of 2139363013 is about 1288.5308702174.

The spelling of 2139363013 in words is "two billion, one hundred thirty-nine million, three hundred sixty-three thousand, thirteen".